/*!
* The Final Countdown for jQuery v2.2.0 (http://hilios.github.io/jQuery.countdown/)
* Copyright (c) 2016 Edson Hilios
* 
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
* 
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* 
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
(function(factory) {
	"use strict";
	if (typeof define === "function" && define.amd) {
		define([ "jquery" ], factory);
	} else {
		factory(jQuery);
	}
})(function($) {
	"use strict";
	var instances = [], matchers = [], defaultOptions = {
		precision: 100,
		elapse: false,
		defer: false
	};
	matchers.push(/^[0-9]*$/.source);
	matchers.push(/([0-9]{1,2}\/){2}[0-9]{4}( [0-9]{1,2}(:[0-9]{2}){2})?/.source);
	matchers.push(/[0-9]{4}([\/\-][0-9]{1,2}){2}( [0-9]{1,2}(:[0-9]{2}){2})?/.source);
	matchers = new RegExp(matchers.join("|"));
	function parseDateString(dateString) {
		if (dateString instanceof Date) {
			return dateString;
		}
		if (String(dateString).match(matchers)) {
			if (String(dateString).match(/^[0-9]*$/)) {
				dateString = Number(dateString);
			}
			if (String(dateString).match(/\-/)) {
				dateString = String(dateString).replace(/\-/g, "/");
			}
			return new Date(dateString);
		} else {
			throw new Error("Couldn't cast `" + dateString + "` to a date object.");
		}
	}
	var DIRECTIVE_KEY_MAP = {
		Y: "years",
		m: "months",
		n: "daysToMonth",
		d: "daysToWeek",
		w: "weeks",
		W: "weeksToMonth",
		H: "hours",
		M: "minutes",
		S: "seconds",
		D: "totalDays",
		I: "totalHours",
		N: "totalMinutes",
		T: "totalSeconds"
	};
	function escapedRegExp(str) {
		var sanitize = str.toString().replace(/([.?*+^$[\]\\(){}|-])/g, "\\$1");
		return new RegExp(sanitize);
	}
	function strftime(offsetObject) {
		return function(format) {
			var directives = format.match(/%(-|!)?[A-Z]{1}(:[^;]+;)?/gi);
			if (directives) {
				for (var i = 0, len = directives.length; i < len; ++i) {
					var directive = directives[i].match(/%(-|!)?([a-zA-Z]{1})(:[^;]+;)?/), regexp = escapedRegExp(directive[0]), modifier = directive[1] || "", plural = directive[3] || "", value = null;
					directive = directive[2];
					if (DIRECTIVE_KEY_MAP.hasOwnProperty(directive)) {
						value = DIRECTIVE_KEY_MAP[directive];
						value = Number(offsetObject[value]);
					}
					if (value !== null) {
						if (modifier === "!") {
							value = pluralize(plural, value);
						}
						if (modifier === "") {
							if (value < 10) {
								value = "0" + value.toString();
							}
						}
						format = format.replace(regexp, value.toString());
					}
				}
			}
			format = format.replace(/%%/, "%");
			return format;
		};
	}
	function pluralize(format, count) {
		var plural = "s", singular = "";
		if (format) {
			format = format.replace(/(:|;|\s)/gi, "").split(/\,/);
			if (format.length === 1) {
				plural = format[0];
			} else {
				singular = format[0];
				plural = format[1];
			}
		}
		if (Math.abs(count) > 1) {
			return plural;
		} else {
			return singular;
		}
	}
	var Countdown = function(el, finalDate, options) {
		this.el = el;
		this.$el = $(el);
		this.interval = null;
		this.offset = {};
		this.options = $.extend({}, defaultOptions);
		this.instanceNumber = instances.length;
		instances.push(this);
		this.$el.data("countdown-instance", this.instanceNumber);
		if (options) {
			if (typeof options === "function") {
				this.$el.on("update.countdown", options);
				this.$el.on("stoped.countdown", options);
				this.$el.on("finish.countdown", options);
			} else {
				this.options = $.extend({}, defaultOptions, options);
			}
		}
		this.setFinalDate(finalDate);
		if (this.options.defer === false) {
			this.start();
		}
	};
	$.extend(Countdown.prototype, {
		start: function() {
			if (this.interval !== null) {
				clearInterval(this.interval);
			}
			var self = this;
			this.update();
			this.interval = setInterval(function() {
				self.update.call(self);
			}, this.options.precision);
		},
		stop: function() {
			clearInterval(this.interval);
			this.interval = null;
			this.dispatchEvent("stoped");
		},
		toggle: function() {
			if (this.interval) {
				this.stop();
			} else {
				this.start();
			}
		},
		pause: function() {
			this.stop();
		},
		resume: function() {
			this.start();
		},
		remove: function() {
			this.stop.call(this);
			instances[this.instanceNumber] = null;
			delete this.$el.data().countdownInstance;
		},
		setFinalDate: function(value) {
			this.finalDate = parseDateString(value);
		},
		update: function() {
			if (this.$el.closest("html").length === 0) {
				this.remove();
				return;
			}
			var hasEventsAttached = $._data(this.el, "events") !== undefined, now = new Date(), newTotalSecsLeft;
			newTotalSecsLeft = this.finalDate.getTime() - now.getTime();
			newTotalSecsLeft = Math.ceil(newTotalSecsLeft / 1e3);
			newTotalSecsLeft = !this.options.elapse && newTotalSecsLeft < 0 ? 0 : Math.abs(newTotalSecsLeft);
			if (this.totalSecsLeft === newTotalSecsLeft || !hasEventsAttached) {
				return;
			} else {
				this.totalSecsLeft = newTotalSecsLeft;
			}
			this.elapsed = now >= this.finalDate;
			this.offset = {
				seconds: this.totalSecsLeft % 60,
				minutes: Math.floor(this.totalSecsLeft / 60) % 60,
				hours: Math.floor(this.totalSecsLeft / 60 / 60) % 24,
				days: Math.floor(this.totalSecsLeft / 60 / 60 / 24) % 7,
				daysToWeek: Math.floor(this.totalSecsLeft / 60 / 60 / 24) % 7,
				daysToMonth: Math.floor(this.totalSecsLeft / 60 / 60 / 24 % 30.4368),
				weeks: Math.floor(this.totalSecsLeft / 60 / 60 / 24 / 7),
				weeksToMonth: Math.floor(this.totalSecsLeft / 60 / 60 / 24 / 7) % 4,
				months: Math.floor(this.totalSecsLeft / 60 / 60 / 24 / 30.4368),
				years: Math.abs(this.finalDate.getFullYear() - now.getFullYear()),
				totalDays: Math.floor(this.totalSecsLeft / 60 / 60 / 24),
				totalHours: Math.floor(this.totalSecsLeft / 60 / 60),
				totalMinutes: Math.floor(this.totalSecsLeft / 60),
				totalSeconds: this.totalSecsLeft
			};
			if (!this.options.elapse && this.totalSecsLeft === 0) {
				this.stop();
				this.dispatchEvent("finish");
			} else {
				this.dispatchEvent("update");
			}
		},
		dispatchEvent: function(eventName) {
			var event = $.Event(eventName + ".countdown");
			event.finalDate = this.finalDate;
			event.elapsed = this.elapsed;
			event.offset = $.extend({}, this.offset);
			event.strftime = strftime(this.offset);
			this.$el.trigger(event);
		}
	});
	$.fn.countdown = function() {
		var argumentsArray = Array.prototype.slice.call(arguments, 0);
		return this.each(function() {
			var instanceNumber = $(this).data("countdown-instance");
			if (instanceNumber !== undefined) {
				var instance = instances[instanceNumber], method = argumentsArray[0];
				if (Countdown.prototype.hasOwnProperty(method)) {
					instance[method].apply(instance, argumentsArray.slice(1));
				} else if (String(method).match(/^[$A-Z_][0-9A-Z_$]*$/i) === null) {
					instance.setFinalDate.call(instance, method);
					instance.start();
				} else {
					$.error("Method %s does not exist on jQuery.countdown".replace(/\%s/gi, method));
				}
			} else {
				new Countdown(this, argumentsArray[0], argumentsArray[1]);
			}
		});
	};
});